{"uid":"cap_KkwmteWsDZe5O6zfqhpl0","slug":"glassnode-wbtc-balance-metric-8db0c051","name":"Glassnode WBTC Balance Metric","description":"Wrapped BTC (WBTC) Balance — Wrapped BTC (WBTC) Balance is the amount of BTC held by BitGo as backing for Wrapped Bitcoin (WBTC), the first ERC20 token backed 1:1 with Bitcoin and designed to represent Bitcoin on the Ethereum blockchain. Data by Glassnode.","url":"https://x402.glassnode.com/v1/metrics/distribution/balance_wbtc","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["a"],"properties":{"a":{"enum":["BTC"],"type":"string","description":"Asset symbol, e.g. BTC, ETH"},"c":{"enum":["native","usd"],"type":"string","description":"Currency for denominated values, e.g. usd, native"},"f":{"enum":["csv","json"],"type":"string","description":"Response format: json or csv"},"i":{"enum":["24h"],"type":"string","description":"Time interval / resolution, e.g. 24h, 1w, 1month"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"array","items":{"type":"object","properties":{"t":{"type":"number"},"v":{"type":"number"}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZY42KwChzqXP7bKEw8vM2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the daily time-series of BTC held by BitGo as backing for Wrapped Bitcoin (WBTC) on Ethereum","exampleAgentPrompt":"Pull the latest daily Glassnode data on how much BTC BitGo is holding as backing for Wrapped Bitcoin (WBTC), denominated in native BTC.","exampleUseCases":null,"resultDescription":"A JSON array of time-series data points, each containing a Unix timestamp (t) and the corresponding BTC balance (v) held by BitGo as WBTC backing — representing daily 24h interval snapshots of WBTC collateral reserves.","failureModes":["Missing required 'a=BTC' query parameter returns 400 or validation error","Invalid enum value for 'c', 'f', or 'i' parameters returns error","Payment not provided or insufficient USDC results in 402 Payment Required","Rate limiting or quota exceeded returns 429","Glassnode data pipeline delay may cause stale or incomplete recent data points"],"whenToPreferThis":"Use this endpoint when you need on-chain data specifically about the BTC collateral held by BitGo backing Wrapped Bitcoin (WBTC), sourced from Glassnode's institutional-grade analytics. Prefer this over generic market data APIs when you need daily historical time-series of WBTC reserve balances rather than price or trading volume. Ideal for DeFi risk analysis, WBTC supply monitoring, or cross-chain BTC tracking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:47:49.672Z","isFirstParty":false}